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Json
Quiz 1
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Q.1
The "function" and " var" are known as:
Keywords
Data types
Declaration statements
Prototypes
Q.2
Which of these is correct about the JSON standard?
It is an open standard
It is privately developed
It requires a license to use
Q.3
Which of the following is the limitation of JSON?
Too many data types
Complicated debugging
Support for only C
No limit on arrays and objects
Q.4
Which is correct format of writting JSON name/value pair
'name : value'
name = 'value'
name = "value"
"name" : "value"
Q.5
JSON stands for ________________
Java Standard Output Network
JavaScript Object Notation
JavaScript Output Name
Java Source Open Network
Q.6
What is JSON data?
Exchanging data
Non-exchanging data
Changing data
None of these
Q.7
Who is the creator of JSON ?
Sergey Brin
Douglas Crockford
Liam Crockford
None of these
Q.8
What is the MIME type of JSON?
application/x-json
text/json
application/json
application/javascript
Q.9
How many types of json data?
6
4
7
3
Q.10
JSON elements are separated by the ___.
line break
semi-colon
comma
white space
Q.11
JSON is derived from the ______ programming language?
Java
ECMScript
PHP
JavaScript
Q.12
Quale funzione si usa in PHP per convertire il formato JSON in dati alfanumerici?
json_encode
json_to_string
json_decode
json_to_array
Q.13
La base del formto JSON è una struttura chiave:valore dove chiave rappresenta il campo di dati e il valore rappresenta l'informazione
Vero
Falso
Q.14
In JavaScript, what is a block of statement?
Conditional block
Block that combines a number of statements into a single compound statement
Both conditional block and a single statement
Block that contains a single statement
Q.15
JSON strings have to be in
single quote
double quote
Double quote
Single quote
Q.16
Give an example of JSON object?
Data is in name/value pairs
Data is separated by comma
Curly brackets hold objects
Square bracket holds arrays
Q.17
Why must one use JSON over XML?
XML data is typeless while JSON objects are typed
JSON types: Number, Array, Boolean, String
XML data are all string
It is faster and lighter than XML as on the wire data format
Q.18
What are the data types supported by JSON?
Number
String
Boolean
Array
Q.19
What is the return type of the method parseInt()?
String
Float
Integer
Date
Q.20
What is the purpose of the method JSON.parse()?
Parses a string to integer
Parses a string to JSON
Parses a string from JSON to JSON2
Parses integer to string
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